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<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
    />
    <meta name="description" content="Draw a wall on the globe surface." />
    <meta name="cesium-sandcastle-labels" content="Development" />
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script
      type="text/javascript"
      src="../../../Build/CesiumUnminified/Cesium.js"
      nomodule
    ></script>
    <script type="module" src="../load-cesium-es6.js"></script>
  </head>
  <body
    class="sandcastle-loading"
    data-sandcastle-bucket="bucket-requirejs.html"
  >
    <style>
      @import url(../templates/bucket.css);
    </style>
    <div id="cesiumContainer" class="fullSize"></div>
    <div id="loadingOverlay"><h1>Loading...</h1></div>
    <div id="toolbar"></div>
    <script id="cesium_sandcastle_script">
      function startup(Cesium) {
        "use strict";
        //Sandcastle_Begin
        // Create the viewer.
        var viewer = new Cesium.Viewer("cesiumContainer");
        var scene = viewer.scene;

        // Example 1: Draw a red wall with constant min and max heights

        // Use the maximumHeight and minumumHeight options to specify
        // the heights of the top and bottom of the wall.
        var redWallInstance = new Cesium.GeometryInstance({
          geometry: Cesium.WallGeometry.fromConstantHeights({
            positions: Cesium.Cartesian3.fromDegreesArray([
              -115.0,
              44.0,
              -90.0,
              44.0,
            ]),
            maximumHeight: 200000.0,
            minimumHeight: 100000.0,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.RED
            ),
          },
        });

        // Example 2: Draw a green wall with constant height

        // If minumumHeight is not specified, the wall will be
        // drawn on the globe surface.
        var greenWallInstance = new Cesium.GeometryInstance({
          geometry: Cesium.WallGeometry.fromConstantHeights({
            positions: Cesium.Cartesian3.fromDegreesArray([
              -107.0,
              43.0,
              -97.0,
              43.0,
              -97.0,
              40.0,
              -107.0,
              40.0,
              -107.0,
              43.0,
            ]),
            maximumHeight: 100000.0,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.GREEN
            ),
          },
        });

        // Example 3: Draw a blue wall with per position heights
        // To use per position heights, create an array of heights
        // for maximumHeights (and optionally minumumHeights)
        // with a length equal to the number of positions.
        var positions = Cesium.Cartesian3.fromDegreesArray([
          -115.0,
          50.0,
          -112.5,
          50.0,
          -110.0,
          50.0,
          -107.5,
          50.0,
          -105.0,
          50.0,
          -102.5,
          50.0,
          -100.0,
          50.0,
          -97.5,
          50.0,
          -95.0,
          50.0,
          -92.5,
          50.0,
          -90.0,
          50.0,
        ]);
        var maximumHeights = [
          100000,
          200000,
          100000,
          200000,
          100000,
          200000,
          100000,
          200000,
          100000,
          200000,
          100000,
        ];
        var minimumHeights = [
          0,
          100000,
          0,
          100000,
          0,
          100000,
          0,
          100000,
          0,
          100000,
          0,
        ];

        var blueWallInstance = new Cesium.GeometryInstance({
          geometry: new Cesium.WallGeometry({
            positions: positions,
            maximumHeights: maximumHeights,
            minimumHeights: minimumHeights,
            vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
          }),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.BLUE
            ),
          },
        });

        // Add all wall instances to primitives.
        scene.primitives.add(
          new Cesium.Primitive({
            geometryInstances: [
              blueWallInstance,
              redWallInstance,
              greenWallInstance,
            ],
            appearance: new Cesium.PerInstanceColorAppearance({
              translucent: false,
            }),
          })
        );
        //Sandcastle_End
        Sandcastle.finishedLoading();
      }
      if (typeof Cesium !== "undefined") {
        window.startupCalled = true;
        startup(Cesium);
      }
    </script>
  </body>
</html>
